If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

All the components of Question Figures are present in Answer Figure (3).

As per the given above question figure ,
Figure ( 2 ) of the answer figures is exactly the water image of the given original image . Thus , Given image will become opposite in water across the given line.So , option B is correct figure .

From first figure to second figure the main design rotates through 45° clockwise and each line segment is doubled.

From first figure to second figure the two smaller designs interchange positions and the half square rotates through 180°.

Except in Figure (3) , it is different from other three figures. In figure (3) there is a swastik mark.

From first figure to second figure four circles are introduced in the place of four quadrilaterals.